code: def check_call(self):
      xp = self.link.xp
      h, w = 120, 160
      x = chainer.Variable(
          xp.random.uniform(low=-1, high=1, size=(2, 3, h, w)).astype(
              np.float32
          )
      )
      y = self.link(x)
  
      self.assertIsInstance(y, chainer.Variable)
      self.assertIsInstance(y.data, xp.ndarray)
      self.assertEqual(y.shape, (2, self.n_class, h // 4, w // 4))
  
file_path: chainercv/tests/links_tests/model_tests/deeplab_tests/test_deeplab_v3_plus.py
imports: import unittest
  import chainer
  from chainer import testing
  from chainer.testing import attr
  from chainercv.links import DeepLabV3plusXception65
  from chainercv.utils import assert_is_semantic_segmentation_link
  import numpy
label_desc: Use image node_id 2 for calling the TestDeepLabV3plusXception65 obj's underlying member method code with example usage: obj.check_call() without return types